Cooking grill with a slidable window



FIG. 1 is a perspective view of a cooking grill with a slidable window, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is an end elevational view thereof;

FIG. 5 is an end elevational view thereof opposite to FIG. 4;

FIG. 6 is a back elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

The broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a cooking grill with a slidable window, substantially as shown and described. 